# -*- coding: utf-8 -*-
print("====单引号创建字符串===")
str1='python.'
print("str1=",str1)
print("====单引号嵌套双引号===")
str2='I like "python".'
print("str2=",str2)
print("====双引号创建字符串===")
str3="python,too"
print("str3=",str3)
print("====双引号嵌套单引号===")
str4="I like 'python',too"
print("str4=",str4)
print("====三引号创建字符串===")
str5='''I sad ,"I like python."'''
print("str5=",str5)
str6="""I sad ,'I like python.'"""
print("str6=",str6)
print("====字符串连接===")
str7="I like"
str8="python."
print(str7+" "+str8)

print("====字符重复===")
print(str7+" "+(str8*10))

